Desk support seat



FIG. 1 is a perspective view of a desk support seat according to our new design, generally from an upper angle;

FIG. 2 is a perspective view thereof, generally from a lower angle;

FIG. 3 is rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the various drawing figures show portions of the article that form no part of the claimed design. The dash-dot broken lines define the bound of the claimed design and form no part thereof. 

CLAIM The ornamental design for a desk support seat, as shown and described. 